CN114892610B - Nuclear power station CFI system sluice gate dredging device - Google Patents
Nuclear power station CFI system sluice gate dredging device Download PDFInfo
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- CN114892610B CN114892610B CN202210539178.8A CN202210539178A CN114892610B CN 114892610 B CN114892610 B CN 114892610B CN 202210539178 A CN202210539178 A CN 202210539178A CN 114892610 B CN114892610 B CN 114892610B
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- Prior art keywords
- dredging
- driving
- pushing
- main frame
- swing
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- 230000007246 mechanism Effects 0.000 claims abstract description 47
- 239000010802 sludge Substances 0.000 claims abstract description 40
- 230000033001 locomotion Effects 0.000 claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims description 84
- 238000001363 water suppression through gradient tailored excitation Methods 0.000 claims description 16
- 238000004140 cleaning Methods 0.000 description 14
- 239000013535 sea water Substances 0.000 description 8
- 230000008021 deposition Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 206010013647 Drowning Diseases 0.000 description 1
- 241000237536 Mytilus edulis Species 0.000 description 1
- 241000237502 Ostreidae Species 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 235000020638 mussel Nutrition 0.000 description 1
- 235000020636 oyster Nutrition 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 235000015170 shellfish Nutrition 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
- E02B8/02—Sediment base gates; Sand sluices; Structures for retaining arresting waterborne material
- E02B8/023—Arresting devices for waterborne materials
- E02B8/026—Cleaning devices
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Barrages (AREA)
Abstract
The invention discloses a dredging device for a sluice gate of a CFI system of a nuclear power station, which comprises a main frame body, guide mechanisms, a driving mechanism and a dredging pushing mechanism, wherein the guide mechanisms are arranged on two sides of the main frame body and enable the main frame body to move up and down along the wall of the sluice gate, the driving mechanism is arranged on the main frame body and moves back and forth transversely along the main frame body, and the dredging pushing mechanism is connected below the driving mechanism and is used for pushing sludge and performs swinging motion and rotating motion relative to the main frame body; the dredging pushing mechanism comprises a dredging pushing piece, a swing driving assembly and a rotation driving assembly, wherein the dredging pushing piece is arranged below the driving mechanism and used for driving the dredging pushing piece to swing; the invention can clean the sludge at the bottom of the sluice gate on line, and has high working efficiency; the dredging range is wider, sludge is pushed to the downstream, and underwater dredging backflow is effectively reduced; the underwater manual operation is replaced, the high risk of the underwater operation is effectively avoided, the reliability of the nuclear power cold source system is ensured, and the safety of workers is ensured.
Description
Technical Field
The invention relates to the technical field of nuclear power auxiliary devices, in particular to a dredging device for a water gate of a CFI (circulating fluid bed) system of a nuclear power station.
Background
In a running period of the nuclear power unit, a large amount of sludge can be deposited at the bottom of a water gate groove of a cold source system, a large amount of mussel, oyster and other shellfish marine organisms can grow in the sludge, underwater cleaning work is needed to be carried out on the sludge at the bottom of the water gate groove during each major repair period, and the sealing and isolating effects on upstream and downstream seawater can be achieved only if the water gate falls after cleaning.
The power plant sluice gate is used for isolating the cold source system, isolating upstream and downstream seawater after the sluice gate is lowered, and pumping the downstream seawater, so that the overhaul operation of downstream nuclear power facilities is performed. In each nuclear power overhaul, before the gate falls, the cleaning work of the sludge at the bottom of the gate slot is mostly carried out by adopting a diver underwater shovel cleaning mode, the manual cleaning efficiency is low, the underwater operation risk is high, and the occurrence of drowning of the diver underwater operation is avoided in power plants at home and abroad.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the dredging device for the water gate of the CFI system of the nuclear power station, which has high working efficiency, effectively avoids the high risk of underwater operation, ensures the reliability of a nuclear power cold source system and ensures the safety of staff.
The technical scheme adopted for solving the technical problems is as follows: the dredging pushing mechanism performs swinging motion and rotating motion relative to the main frame body;
the dredging pushing mechanism comprises a dredging pushing piece, a swing driving assembly and a rotation driving assembly, wherein the dredging pushing piece is arranged below the driving mechanism and used for driving the dredging pushing piece to swing, and the rotation driving assembly is used for driving the dredging pushing piece to rotate.
Further, preferably, the guiding mechanism comprises a guiding component arranged on the side wall of the main frame body, and the guiding component is connected to the sluice gate guide rail in a sliding manner or in a rolling manner.
Further, preferably, the driving mechanism includes a driving member disposed on the main frame body, and a moving member driven by the driving member to move transversely along the main frame body, where the dredging pushing member is disposed below the moving member, and the moving member drives the dredging pushing member to move transversely under the driving of the driving member.
Further, preferably, the driving mechanism further includes a driving transmission assembly, the driving transmission assembly is in transmission connection with the output end of the driving member, and the driving transmission assembly is in transmission connection with the moving member, so as to transmit the power of the driving member to the moving member.
Further, preferably, the swing driving assembly comprises a swing driving piece and a swing transmission piece driven by the swing driving piece, the swing transmission assembly is in transmission connection with the output end of the swing driving piece, and the swing driving assembly drives the swing transmission piece to act so as to drive the dredging pushing piece to do swing motion.
Further, preferably, the swing transmission assembly is at least one of a gear transmission assembly, a worm and gear transmission assembly, a belt transmission assembly and a chain transmission assembly.
Further, preferably, the rotation driving assembly comprises a rotation driving member and a rotation transmission member driven by the rotation driving member, the rotation transmission assembly is in transmission connection with the output end of the rotation driving member, and the rotation driving member drives the rotation transmission member to act so as to drive the dredging pushing member to perform rotation motion.
Further, it is preferable that the rotation transmission assembly is at least one of a gear transmission assembly, a worm gear transmission assembly, a belt transmission assembly, and a chain transmission assembly.
Further, preferably, the dredging pushing member comprises a rotating shaft and a dredging part which is arranged along the circumferential direction of the rotating shaft and is used for dredging, and the dredging part is a blade or an auger impeller.
Further, it is preferable that the dredging section has a length of not less than 2m.
The invention has the beneficial effects that: the invention provides a sluice gate dredging device of a nuclear power station CFI system, which is used for dredging bottom sludge of a sea water sluice gate, can clean the bottom sludge of the sluice gate on line, improves the working efficiency and shortens the overhaul period of a unit; the device has simple structure and high reliability; the folding swing dredging can be realized, and the device is particularly suitable for cleaning gate grooves with narrow holes and large inner space; the method can be used for large-scale operation in a sludge deposition area at the bottom of the sluice gate tank, has a wider dredging range, can fully cover the whole bottom sludge deposition area, pushes the sludge in the area to the downstream, effectively reduces the underwater dredging backflow and secondary sludge deposition, and drains the downstream seawater after the sluice gate is closed to clean the sludge; replaces underwater manual operation of divers, effectively avoids high risk of underwater operation, ensures reliability of a nuclear power cold source system and ensures safety of workers.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic view of a dredging device according to the invention;
FIG. 2 is a schematic view of a dredging apparatus of the present invention applied to a water gate of a CFI system;
FIG. 3 is a schematic structural view of a driving mechanism and a dredging pushing mechanism of the dredging device;
fig. 4 is a schematic structural view of a dredging pushing mechanism of the dredging device.
Detailed Description
For a clearer understanding of technical features, objects and effects of the present invention, a detailed description of embodiments of the present invention will be made with reference to the accompanying drawings.
An element is referred to as being "mounted" or "disposed" on another element and may be directly or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.
The terms "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. refer to an orientation or position based on that shown in the drawings.
The terms "axial" and "radial" refer to the direction of the length of the entire device or component as "axial" and the direction perpendicular to the axial direction as "radial".
The terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "a plurality of" is two or more, unless specifically defined otherwise.
The above terms are merely for convenience of description and should not be construed as limiting the present technical solution.
As shown in fig. 1-2, a dredging device for a water gate of a nuclear power station CFI system comprises a main frame body 1, guide mechanisms 2 arranged at two sides of the main frame body 1 and used for enabling the main frame body 1 to move up and down along the wall of the water gate, a travelling mechanism 3 arranged on the main frame body 1 and used for transversely moving back and forth along the main frame body 1, and a dredging pushing mechanism 4 connected below the travelling mechanism 3 and used for pushing sludge, wherein the dredging pushing mechanism 4 performs swinging motion and rotating motion relative to the main frame body 1; the dredging pushing mechanism 4 comprises a dredging pushing member 41 arranged below the driving mechanism 3 and used for dredging, a swing driving assembly 42 used for driving the dredging pushing member 41 to swing and a rotation driving assembly 43 used for driving the dredging pushing member 41 to rotate.
The invention provides a sluice gate dredging device of a nuclear power station CFI system, which is used for dredging bottom sludge of a sea water sluice gate and can clean the bottom sludge of the sluice gate on line; the conventional cleaning mode is an artificial diving mode, each cleaning requires underwater operation of a diver, the operation time is at least 1 hour, the unmanned underwater high-efficiency dredging operation can be realized by adopting the device, the cleaning of underwater sludge can be completed within 20 minutes, the working efficiency is improved, and the overhaul period is shortened; the device has simple structure and high reliability; the folding swing and rotary pushing dredging can be realized, and the device is particularly suitable for cleaning gate grooves with narrow holes and large inner space; the device can work in a large scale in a sludge deposition area at the bottom of the sluice gate tank, the dredging range is wider, the whole bottom sludge deposition area is covered on the whole surface, sludge in the area is pushed to the downstream, the pushing distance is far enough, problems of underwater dredging backflow, secondary sludge deposition and the like are effectively reduced, and after the sluice gate is closed, downstream seawater is drained to clean out the sludge; replaces underwater manual operation of divers, effectively avoids high risk of underwater operation, ensures reliability of a nuclear power cold source system and ensures safety of workers.
The main frame body 1 is used as a supporting framework of the whole device, can be a frame structure or a supporting plate and other structures, is positioned at the upper end of the whole device, and needs a certain supporting strength to ensure the normal operation of the whole device. In a specific embodiment, as shown in fig. 1, the main frame 1 is a frame structure, the main frame 1 may include a truss 11 and a main beam 12 disposed below the truss 11, where the overall length of the truss 11 and the main beam 12 is matched with the length of the sluice gate, so that the main frame may move up and down along the sluice gate slot wall, and a hanging ring 13 may be disposed on the truss 11 for hanging the whole device.
In order to realize that the main frame body 1 can move up and down along the wall of the sluice gate, the guide mechanism 2 comprises a guide component 21 arranged on the side wall of the main frame body 1, and the guide component 21 is connected to the guide rail of the sluice gate wall in a sliding way or a rolling way; as shown in fig. 1, the guide assembly 21 may be a guide wheel seat 211 disposed on two side walls of the main frame 1, and 2 guide wheels 212 disposed on the guide wheel seat 211, where the extending direction of the guide wheel seat 211 is parallel to the sluice gate guide rail, the guide wheels 212 are matched with the sluice gate guide rail, and the guide wheels 212 can slide back and forth along the extending direction of the guide wheel seat 211 to drive the dredging pushing member 41 under the main frame 1 to move to a required cleaning height; or the guiding component 21 can be a belt pulley arranged on two side walls of the main frame body 1, a belt wound on the belt pulley and a guiding driving piece used for driving the belt pulley to rotate, the guiding driving piece can be a motor, and the guiding driving piece drives the belt pulley to rotate so as to drive the whole device to move up and down along the extending direction of the sluice gate guide rail, so that the dredging pushing piece 41 below the main frame body 1 is driven to move to the required cleaning height; of course, the guide component 21 can also be a sliding block 34 matched with the sluice gate guide rail, and a limiting piece is also arranged, when the sliding block 34 moves along the extending direction of the sluice gate guide rail and moves to the required dredging height, the whole device can be limited and fixed by the limiting piece; or, the guiding component 21 is a guiding hydraulic cylinder or a guiding air cylinder, the whole guiding hydraulic cylinder or the whole guiding air cylinder is vertically arranged, the cylinder body of the guiding hydraulic cylinder or the guiding air cylinder is connected to the side wall of the sluice gate, the hydraulic rod of the guiding hydraulic cylinder or the transmission rod of the guiding air cylinder is connected to the side wall of the main frame body 1, and after the guiding hydraulic cylinder or the guiding air cylinder is started, the main frame body 1 is driven to move up and down along the side wall of the sluice gate through the up-and-down telescopic movement of the hydraulic rod or the transmission rod relative to the cylinder body; of course, the guide assembly 21 may have other structures, and is not limited in particular, and the entire device may be moved up and down along the sidewall of the sluice gate.
Further, the driving mechanism 3 includes a driving member 31 disposed on the main frame 1, and a moving member 32 driven by the driving member 31 to move transversely along the main frame 1, where the dredging pushing member 41 is disposed below the moving member 32, and the moving member 32 drives the dredging pushing member 41 to move transversely under the driving of the driving member 31; the driving mechanism 3 further comprises a driving transmission assembly 33, the driving transmission assembly 33 is in transmission connection with the output end of the driving piece 31, the driving transmission assembly 33 is in transmission connection with the moving piece 32, and the power of the driving piece 31 is transmitted to the moving piece 32; the moving member 32 may have a plate-like structure or a block-like structure; after the driving member 31 is started, the driving transmission assembly 33 transmits power to the moving member 32, so that the moving member 32 moves transversely along the main frame body 1, and the dredging pushing member 41 arranged below the moving member 32 is driven to move transversely along the axial direction of the main frame body 1.
The driving modes of the driving member 31 and the moving member 32 are various, for example, the driving modes of the driving member 31 and the moving member 32 are hydraulic or cylinder driving, the driving member 31 can be a driving hydraulic cylinder or a driving cylinder transversely arranged on the main frame body 1, the driving transmission assembly 33 can be a driving connecting rod arranged at the output end of the driving hydraulic cylinder or the driving cylinder, the other end of the driving connecting rod is connected to the moving member 32, the driving connecting rod can transversely reciprocate along the main frame body 1 through the driving hydraulic cylinder or the driving cylinder driving, and the moving member 32 transversely moves along the main frame body 1 along with the extension or retraction of the driving connecting rod; or, the driving modes of the driving member 31 and the moving member 32 are belt driving, the driving member 31 may be a driving motor, the moving member 32 may be a belt transversely arranged on the main frame body 1, the driving transmission assembly 33 may be a belt pulley for driving the belt to rotate, and the driving member 31 drives the belt pulley to rotate, so that the belt transversely moves along the main frame body 1, and the moving member 32 arranged below is driven to transversely move; or, as shown in fig. 1, the driving mechanism 3 includes two sliding rails 35 arranged on the main frame body 1 in parallel at intervals, and a moving member 32 capable of moving back and forth along the extending direction of the sliding rails 35, the sliding rails 35 are arranged along the axial direction of the main frame, a sliding block 34 can be arranged on the moving member 32, the moving member 32 is slidably connected to the two sliding rails 35 through the sliding block 34, the driving member 31 can be a motor, the driving member 31 can be a driving motor, the driving transmission assembly 33 can be a chain-gear combined transmission member or a gear member or a chain member, the driving transmission assembly 33 is in transmission connection with the output end of the driving member 31, the driving transmission assembly 33 is in transmission connection with the moving member 32, the driving transmission assembly 33 is used for transmitting the power of the driving member 31 to the moving member 32, and the driving transmission assembly 33 is driven to drive the moving member 32 arranged below the moving member 32 to transversely move; of course, the driving member 31 and the driving transmission assembly 33 may have other structures, which are not limited in particular, and the dredging pushing member 41 may be capable of moving transversely relative to the bottom of the sluice gate.
The swing driving component 42 comprises a swing driving piece 421 and a swing transmission piece 422 driven by the swing driving piece 421, the swing transmission component is in transmission connection with the output end of the swing driving piece 421, and the swing driving component 42 drives the swing transmission piece 422 to act so as to drive the dredging pushing piece 41 to do swing motion; the swing transmission assembly is at least one of a gear transmission assembly, a worm and gear transmission assembly, a belt transmission assembly and a chain transmission assembly; in a specific embodiment, as shown in fig. 3-4, the driving mode of the swing driving member 421 and the dredging pushing member 41 is gear transmission, the swing transmission component is gear transmission component, the dredging pushing member 4 further includes a mounting frame 44 connected with the driving mechanism 3, a support bearing 45 disposed at the bottom of the mounting frame 44, and a dredging pushing member housing 46 connected below the support bearing 45, the dredging pushing member 41 is disposed in the dredging pushing member housing 46, the support bearing 45 includes a bearing inner ring 451 and a gear outer ring 452, the bearing inner ring 451 is connected with the mounting frame 44, the gear outer ring 452 is connected with the dredging pushing member housing 46, the swing driving member 421 is a swing driving motor, the output end of the swing driving motor is provided with a swing transmission member 422, the swing transmission member 422 may be a spur gear, and the spur gear meshes with the gear outer ring 452, so that the rotation of the swing driving motor drives the spur gear to rotate, and the mounting frame 44 and the dredging pushing member housing 46 swing, and finally the dredging pushing member 41 disposed below the support bearing 45 swings. The swing motion of the dredging pushing piece 41 can generate swing pushing force, the pushing force acts on the sludge, and the sludge is pushed to the downstream of a water gate at a distance, so that dredging of the sludge at the bottom of the water gate is realized; preferably, the swing angle is +/-90 degrees, so that swing folding of the dredging pushing piece 41 is realized, and the device can be suitable for cleaning the bottom of a gate groove with a narrow hole but a large inner space. Of course, the swing driving member 421 and the swing driving member 422 may have other structures, and the swing driving member is not limited in particular, and the dredging pushing member 41 may be capable of performing a swing motion with respect to the main frame 1.
The rotary driving assembly 43 comprises a rotary driving piece 431 and a rotary driving piece 432 driven by the rotary driving piece 431, the rotary driving piece 431 is in transmission connection with the output end of the rotary driving piece 431, the rotary driving piece 431 drives the rotary driving piece 432 to act so as to drive the dredging pushing piece 41 to do rotary motion, the rotary motion of the dredging pushing piece 41 generates pushing force, the pushing force is matched with the integral swing of the dredging pushing piece 41, the pushing force acts on sludge, and the sludge is pushed to the downstream of a sluice gate, so that dredging of the sludge at the bottom of the sluice gate is realized; the dredging pushing member 41 comprises a rotating shaft 411 and a dredging part 412 which is arranged along the circumferential direction of the rotating shaft 411, wherein the dredging part 412 can be a blade or an auger impeller, and of course, the dredging part 412 can also be other structural members to realize rotary dredging; the rotary driving part 431 drives the rotary driving part 432 to rotate, the rotary driving part 432 is connected with the rotary shaft 411 of the dredging pushing part 41, so that the rotary shaft 411 of the dredging pushing part 41 is driven to rotate, the rotary shaft 411 drives the dredging part 412 arranged on the periphery of the rotary shaft 411 to rotate clockwise, the dredging part 412 rotates to generate thrust, at the moment, the thrust generated by the dredging part acts on sludge, and then the sludge is pushed to the downstream of the bottom of a water gate tank at a distance, thereby realizing dredging of the sludge at the bottom of the water gate tank, preferably, the length of the dredging part 412 is more than or equal to 2m, at least the sludge at the bottom of the water gate tank can be pushed to a distance of 2m, the whole bottom sludge deposition area can be covered as far as possible, and the sludge in the area is pushed to the downstream completely, so that the pushing distance is far, and the underwater dredging reflux is effectively reduced; the rotary transmission assembly is at least one of a gear transmission assembly, a worm and gear transmission assembly, a belt transmission assembly and a chain transmission assembly; in a specific embodiment, as shown in fig. 3-4, the driving mode of the rotation driving member 431 and the dredging pushing member 41 is gear transmission, the rotation driving member 431 is a rotation driving motor, the rotation driving assembly is a gear driving assembly, the gear driving assembly is a bevel gear arranged at the output end of the rotation driving motor, the rotation driving motor and the rotation shaft 411 of the dredging pushing member 41 are meshed and rotated through a bevel gear pair, and the rotation shaft 411 of the dredging pushing member 41 and the dredging portion 412 are driven by the rotation driving motor to rotate clockwise, so that sludge at the bottom is pushed to a distance; of course, the rotary driving member 431 and the rotary driving member 432 may have other structures, and the structure is not limited in particular, and it is only necessary to implement that the dredging pushing member 41 can perform a rotary motion with respect to the main frame 1 so as to generate a pushing force.
The invention relates to a dredging device for a water gate of a CFI system of a nuclear power station, which is described in detail by a specific embodiment.
The silt deposited at the bottom of the sluice gate groove is about 0.6m-1m, firstly, the dredging pushing piece 41 is driven to swing to the 0-degree position through the swing driving component 42, namely, the dredging pushing piece 41 is parallel to the main frame body 1, so that the whole device is placed at the inlet of the sluice gate groove, the main frame body 1 moves downwards along the sluice gate groove wall under the action of the guide mechanism 2, and is lowered into the sluice gate groove and stopped when the distance from the sluice gate groove bottom is 1-2 m; the swing driving assembly 42 drives the dredging pushing piece 41 to swing to a 90-degree position, namely the dredging pushing piece 41 is vertical to the main frame body 1, so that the driving mechanism 3 transversely moves along the main frame body 1 and moves to the leftmost position of the sluice gate groove, thereby driving the dredging pushing piece 41 arranged at the bottom of the forming mechanism to move to the leftmost position of the sluice gate groove, simultaneously starting the rotation driving assembly 43 and the swing driving assembly 42, simultaneously enabling the driving mechanism 3 to transversely move from the main frame body 1 to the leftmost direction of the sluice gate groove and the rightmost direction, and enabling the driving mechanism 3 to drive the dredging pushing piece 41 to transversely move from left to right, enabling the dredging pushing piece 41 to realize clockwise continuous rotation, 90-degree swing and transverse movement along the axial direction of the main frame body 1, enabling the main frame body 1 to continuously move downwards along the side wall of the sluice gate by a distance of 0.5m under the action of the guide mechanism 2, and pushing sludge on the height to the downstream; under the action of the driving mechanism 3, the dredging pushing piece 41 is rapidly moved to the leftmost position of the sluice gate groove, the guide mechanism 2 continuously enables the main frame body 1 to continuously move downwards along the side wall of the sluice gate by 0.5m, the dredging pushing piece 41 is repeatedly enabled to realize operations of clockwise continuous rotation, 90-degree swing and transverse movement along the axial direction of the main frame body 1 until the dredging pushing piece 41 moves downwards to the bottom of the sluice gate groove, and the sludge at the bottom of the sluice gate groove is pushed and cleaned in a layer-by-layer progressive manner in the mode; after the cleaning is completed, the sluice gate is closed, the sea water at the downstream of the sluice gate is pumped out, and the sludge at the downstream is cleaned.
Claims (7)
1. The dredging device for the water gate of the CFI system of the nuclear power station is characterized by comprising a main frame body (1), guide mechanisms (2) arranged on two sides of the main frame body (1) and used for enabling the main frame body (1) to move up and down along the wall of the water gate, a travelling mechanism (3) arranged on the main frame body (1) and transversely moving back and forth along the main frame body (1), and a dredging pushing mechanism (4) connected below the travelling mechanism (3) and used for pushing sludge, wherein the dredging pushing mechanism (4) is in swinging motion and rotary motion relative to the main frame body (1);
the dredging pushing mechanism (4) comprises a dredging pushing piece (41) arranged below the driving mechanism (3) and used for dredging, a swinging driving assembly (42) used for driving the dredging pushing piece (41) to swing and a rotating driving assembly (43) used for driving the dredging pushing piece (41) to rotate;
the swing driving assembly (42) comprises a swing driving piece (421) and a swing transmission piece (422) driven by the swing driving piece (421), the swing transmission piece (422) is in transmission connection with the output end of the swing driving piece (421), the swing driving piece (421) drives the swing transmission piece (422) to act so as to drive the dredging pushing piece (41) to do swing motion, and the swing angle of the dredging pushing piece (41) is +/-90 degrees;
the dredging pushing piece (41) comprises a rotating shaft (411) and a dredging part (412) which is arranged along the circumferential direction of the rotating shaft (411) and is used for dredging, and the dredging part (412) is a blade or an auger impeller;
the length of the dredging part (412) is more than or equal to 2m.
2. Dredging arrangement according to claim 1, characterized in that the guiding means (2) comprise guiding members (21) arranged on the side walls of the main frame body (1), which guiding members (21) are slidingly or rollingly connected to the sluice gate guide rail.
3. The dredging device according to claim 1, wherein the driving mechanism (3) comprises a driving member (31) arranged on the main frame body (1), and a moving member (32) driven by the driving member (31) to move transversely along the main frame body (1), the dredging pushing member (41) is arranged below the moving member (32), and the moving member (32) is driven by the driving member (31) to drive the dredging pushing member (41) to move transversely.
4. A dredging arrangement according to claim 3, wherein the travelling mechanism (3) further comprises a travelling transmission assembly (33), the travelling transmission assembly (33) being drivingly connected to the output of the travelling drive (31), the travelling transmission assembly (33) being drivingly connected to the travelling drive (32) for transmitting the motive power of the travelling drive (31) to the travelling drive (32).
5. The dredging arrangement according to claim 1, wherein the swing transmission (422) is at least one of a gear transmission assembly, a worm and gear transmission assembly, a belt transmission assembly, a chain transmission assembly.
6. The dredging device according to claim 1, wherein the rotation driving assembly (43) comprises a rotation driving member (431) and a rotation transmission member (432) driven by the rotation driving member (431), the rotation transmission member (432) is in transmission connection with the output end of the rotation driving member (431), and the rotation driving member (431) drives the rotation transmission member (432) to act so as to drive the dredging pushing member (41) to perform rotation motion.
7. The dredging arrangement according to claim 6, wherein the rotary transmission member (432) is at least one of a gear transmission assembly, a worm and gear transmission assembly, a belt transmission assembly, a chain transmission assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210539178.8A CN114892610B (en) | 2022-05-18 | 2022-05-18 | Nuclear power station CFI system sluice gate dredging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210539178.8A CN114892610B (en) | 2022-05-18 | 2022-05-18 | Nuclear power station CFI system sluice gate dredging device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114892610A CN114892610A (en) | 2022-08-12 |
| CN114892610B true CN114892610B (en) | 2023-11-28 |
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| CN202210539178.8A Active CN114892610B (en) | 2022-05-18 | 2022-05-18 | Nuclear power station CFI system sluice gate dredging device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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2022
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| CN2343209Y (en) * | 1998-06-19 | 1999-10-13 | 侯家瑞 | Remote-controlled submersible dredging vehicle |
| US6336280B1 (en) * | 2000-06-29 | 2002-01-08 | Mississippi State University | Self-propelled rotary excavator |
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|---|---|
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